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Softa [21]
3 years ago
8

Which statement about the immune system is false?

Biology
1 answer:
jeyben [28]3 years ago
7 0

Answer:

most white blood cells destroy virus

Explanation:

i think

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Based on the demonstration and your microscopic investigation, which of the three solutions is hypotonic to the red blood cells?
r-ruslan [8.4K]

You have given no demonstration based on your microscopic investigation so I cant tell you the answer to the question. I will try to help you by elaborating how to decipher..

Three terms hypotonic, hypertonic and isotonic are used when referring to two solutions separated by a selectively permeable membrane.

The hypertonic solution has a great concentration of OAS than the solution on the other side of the membrane. It is described, therefore, as having a great osmolarity. The hypotonic solution has a lower concentration of OAS, or osmolarity, than the solution on the other side of the membrane. When the two solutions are at an equilibrium, the concentration of OAS being equal on both sides of the membrane, the osmolarities are equal and are said to be isotonic.

The net flow of water is from the hypotonic to the hypertonic solution. When the solutions are isotonic, there is no net flow of water across the membrane.

If red blood cells are placed in a solution with a lower solute concentration than is found in the cells, water moves into the cells by osmosis, causing the cells to swell; such a solution is hypotonic to the cells.

So, look at the information and data you have on your microscopic investigation and use these guidelines to tell you which is which.
6 0
3 years ago
Compare and Contrast Producers And Consumers In An Ecosystem.
Elza [17]
Producers create food by them selves from the sun but consumers eat the producers they both consume food. But the consumers get less energy than the consumers cause they pass on less energy than they consume hope it helps



Elite trainer
8 0
3 years ago
Read 2 more answers
ANSWER FOR 44 POINTS!!!! Also please answer it like don’t just put random stuff I actually need help here <3
Tomtit [17]

Answer:

If you use this link it gives you most of the answers, if you want I can try to find another link to help with the rest of the questions if you want me to

Explanation:

https://quizlet.com/_30xwac?x=1jqt&i=1ilexf

8 0
3 years ago
What does the word protist mean??
abruzzese [7]
Any of a diverse taxonomic group and especially a kingdom of eukaryotic organisms that are unicellular ..........
8 0
3 years ago
Harry is driving on the interstate highway for the first time since he obtained his license. He is nervous and wants to get off
likoan [24]

The correct answer is sympathetic nervous system.

In the given case, the harry is experiencing stress, which provokes the flight and fight syndrome. The sympathetic nervous system causes the release of  adrenaline and noradrenaline causing change in physiological responses. During the flight and fight response, a hyperarousal occurs, which leads to the change in physiological responses. It causes the increased heart beat, increased blood pressure, anxiety, increase in pulse, increased sweating etc.

8 0
3 years ago
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